<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="root"></div>
</body>
</html>
<script src="https://unpkg.com/vue@next"></script>
<script>
    // 作用域插槽
    const app = Vue.createApp({
        template:`
        <list v-slot="{item}">
            <div>{{item}}</div>
        </list>
        `
    });
    app.component('list',{
        data(){
            return{
                list:[1,2,3]
            }
        },
        template:`
        <div>
            <slot v-for="item in list" :item="item"></slot>
        </div>
        `
    })
    const vm = app.mount('#root')
</script>